Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6493305 | Pulse width control circuit | Koji Hayashi | 2002-12-10 |
| 6423205 | Electric deionization apparatus | Masaji Akahori, Takayoshi Kawamoto, Syu Nakanishi, Shinzi Miura, Takayuki Saito +2 more | 2002-07-23 |
| 6417643 | Synchronous control device | Noriyuki Shiba, Masakatsu Fujita, Hiroyuki Hisada, Ikuo Kotani | 2002-07-09 |